[目的/意義]瀏覽是社會化媒體環境中用戶常用的搜索策略之一,瀏覽策略的效率評價有助于深入揭示用戶社會化搜索行為的規律。[方法/過程]針對4種不同的瀏覽策略,在百度和豆瓣上開展任務驅動的瀏覽搜索實驗,以評價不同網絡環境下用戶采用分類瀏覽、關聯瀏覽、定制瀏覽和交互瀏覽策略的效率。[結果/結論]社會化媒體和傳統網絡環境下用戶信息瀏覽的效率呈現顯著差異,社會化媒體環境下交互瀏覽的效率最高,分類瀏覽的效率最低,而關聯瀏覽、定制瀏覽在結果的有效性和用戶滿意度上各有所長。

[Purpose/significance] Browsing is one of the commonly used search strategies in social media environment, and the evaluation of the efficiency of browsing strategy is helpful to reveal the patterns of users' social information searching behavior.[Method/process]With regard to four different browsing strategies, the task driven browsing search experiments are carried out on Baidu and Douban in order to evaluate the search efficiency of category browsing, relevance browsing, customized browsing and interactive browsing under different network environments. [Result/conclusion] Browsing efficiencies under social media and traditional network environment have significant differences. The efficiency of interactive browsing under social media environment is the highest, while category browsing is the lowest, and relevance browsing and customized browsing each has its advantages in results effectiveness and user satisfaction.